__________ is the main constituent of glass?

Related Mcqs:

Which of the following materials is preferred for transmitting electrical energy over long distance ?

A. Copper B. Aluminium C. Steel reinforced copper D. Steel reinforced aluminium...

By increasing impurity content in the metal alloy the residual resistivity always_____________?

A. decreases B. increases C. remains constant D. becomes temperature independent...

Super conductivity can be destroyed by_____________?

A. adding impurities B. reducing temperatures C. application of magnetic field D. any of the above...

Carbon resistors are used extensively because they are____________?

A. easy to make B. compact C. inexpensive D. all of the above reasons...

If the resistance of a conductor does not vary in accordance with Ohm’s law it is known as____________?

A. non-linear conductor B. reverse conductor C. bad-conductor D. non-conductor...